subject
Mathematics, 18.03.2021 01:50 vkyles84

2.- En el interior de una recámara se mantiene a una temperatura de ( 25°C), y su exterior a (-3 °C). Calcula la cantidad de calor que se transmite del interior de la
recámara hacia el exterior a través del vidrio de una ventana de 3.20m de ancho
por 2.8m de altura y 12mm de espesor, durante un medio día.
Datos e incógnitas:
Fórmula:
Q= Atl(T2-T1)
1 = m
Q= AtX(T2-T1) L
D = m
r=m
+ T2-T1
MAL = 5.7 X 10-2 Kcalm seg °C
t=
6.16
A = Area de la sección transversal = área de un círculo
A=nr2 = (3.1416)
Sustitución
Q = (x10-m2)(18000seg)(5.7x10-2 Kcalm s °c)(°C)
m​

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 21:00, moneybaggzay123
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
image
Mathematics, 22.06.2019 02:00, PompousCoyote
Hey everyone! this question is a challenge question. for 50 points if you wish. all you have to do is answer the correct it has to be correct, in under 50 seconds, and i will make you the ! you want to accept this challenge. i already know! i mean, it's 50 free points! here is the question: 11x2= answer this correct, you get two prizes. don't forget. you only have 50 seconds or it wont happen. get it correct in under 50 seconds! that's not bad. so stop reading this long thing and !
Answers: 2
image
Mathematics, 22.06.2019 03:30, Salamonti
The diameter of a bacteria colony that doubles every hour is represented by the graph below. what is the diameter of the bacteria after 8 hours? graph of a curve passing through the points zero comma 1, one comma two, two comma four, and three comma eight
Answers: 1
image
Mathematics, 22.06.2019 07:00, jaydenrenee111902
Angle x and y are complementary. angle x is supplementary to a 128° angle. what are the measures of angle x and angle y? write an equation to solve for x first. then find the measure of angle y
Answers: 1
You know the right answer?
2.- En el interior de una recámara se mantiene a una temperatura de ( 25°C), y su exterior a (-3 °C...

Questions in other subjects:

Konu
Chemistry, 26.02.2021 23:30
Konu
Mathematics, 26.02.2021 23:30